BPA free plastic material, will guarantee the safety of you and your family. Double walled construction will avoid the annoyance of wine flavor which is affected by hands temperature if using regular tumbler glass.

Double wall construction not only can keep insulated to make sure your hands and external temperature can not be transferred to the drinks,but also can print any design as your favorites on the outer or inter layer.

Vacuum flask is double layer stainless steel material. Because of its vacuum technology, It keeps your beverage or coffee both heat and cold for a long time .You can enjoy a nice cup of coffee at any time accordingly.